绿色消费是以保护消费者健康和节约资源为宗旨，符合人的健康和环境保护标准的各种消费行为的总称。绿色消费的核心是[ ]

A．实现经济的可持续发展

B．推动多元消费

C．可持续性消费

D．保护环境，构建和谐社会

-What do youknow about Mike?

-Well, he got married and ____in Australia.[ ]

A. settled down    

B.got down

C. took down                      

D. turned down